Highly Stretchable, Conductive Polymer Electrodes with a Mixed AgPdCu and PTFE Network Interlayer for Stretchable Electronics | Zendy

Yoon Sunyoung | Zendy; Sim HyeongMin | Zendy; Cho Seungse | Zendy; Ko Hyunhyub | Zendy; Park Yeehyun | Zendy; Kim Yunseok | Zendy; Kim HanKi | Zendy

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Highly Stretchable, Conductive Polymer Electrodes with a Mixed AgPdCu and PTFE Network Interlayer for Stretchable Electronics

Author(s) -

Yoon Sunyoung,

Sim HyeongMin,

Cho Seungse,

Ko Hyunhyub,

Park Yeehyun,

Kim Yunseok,

Kim HanKi

Publication year - 2021

Publication title -

advanced materials interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.671

H-Index - 65

ISSN - 2196-7350

DOI - 10.1002/admi.202001500

Subject(s) - materials science , polytetrafluoroethylene , stretchable electronics , electrode , composite material , electrical conductor , flexible electronics , polyurethane , carbon nanotube , electronics , nanotechnology , electrical engineering , chemistry , engineering

A highly stretchable, conductive polytetrafluoroethylene (PTFE) electrode consisting of a mixed AgPdCu (APC) and PTFE network interlayer on a polyurethane substrate is fabricated at room temperature. The PTFE/APC‐PTFE/PTFE multilayer deposited through continuous sputtering of carbon nanotubes of the mixed PTFE and APC targets, and the resulting material exhibit a sheet resistance of 33.6 ± 6.17 Ohm per square and a stretchability of 40%. The metallic APC‐PTFE network interlayer provides a conducting path for the PTFE/APC‐PTFE/PTFE multilayer, and it maintains a reversible conductivity until the electrode has been stretched up to 40%. In addition, the sputtered PTFE/APC‐PTFE/PTFE multilayer shows semi‐transparency about 47% in the visible wavelength region. The multilayered material shows a minimal change in resistance after 10 000 cycles of repeated stretching under a constant 20% strain. In addition, the stretchable PTFE/APC‐PTFE/PTFE electrode is confirmed to be resilient outer/inner bending, folding, rolling, and twisting tests. Through successful operation of stretchable interconnectors, stretchable film heaters, and stretchable electroluminescent devices, it is confirmed that sputtered PTFE/APC‐PTFE/PTFE films can be promising stretchable electrodes for next‐generation stretchable electronics.

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